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frequent issues arising in android view, Error parsing XML: unbound prefix
...f reasons that this can happen:
1) You see this error with an incorrect namespace, or a typo in the attribute. Like 'xmlns' is wrong, it should be xmlns:android
2) First node needs to contain:
xmlns:android="http://schemas.android.com/apk/res/android"
3) If you are integrating AdMob, check custom...
not:first-child selector
...he :not selector's limitation (it only accepts a simple selector as an argument) then you can use another technique:
Define a rule that has greater scope than what you intend and then "revoke" it conditionally, limiting its scope to what you do intend:
div ul {
background-color: #900; /* appl...
compareTo() vs. equals()
...or equality of String 's in Java I have always used equals() because to me this seems to be the most natural method for it. After all, its name already says what it is intended to do. However, a colleague of mine recently told me had been taught to use compareTo() == 0 instead of equals() . Th...
How to alter a column and change the default value?
...ARCHAR(255) NOT NULL DEFAULT '{}';
A second possibility which does the same (thanks to juergen_d):
ALTER TABLE foobar_data CHANGE COLUMN col col VARCHAR(255) NOT NULL DEFAULT '{}';
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impro...
Moving default AVD configuration folder (.android)
...
I've found the answer.
Move .android folder to E:\Android
Create environment variable called
ANDROID_SDK_HOME and set its value to
E:\Android
Setting the environment variable on Windows XP or Windows 7:
Right-click on My Computer and choose "Properties"
Click the "Advanced" tab
Click the butt...
ImportError: no module named win32api
...
This only worked for me AFTER I restarted Spyder. Most times new packages work immediately after being installed, but not in this case.
– Sean McCarthy
Jun 29 '18 at 17:46
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git: Switch branch and ignore any changes without committing
...nd was ready to commit my changes, so I made a commit with a useful commit message. I then absentmindedly made minor changes to the code that are not worth keeping. I now want to change branches, but git gives me,
...
Is it possible to specify the schema when connecting to postgres with JDBC?
...
I know this was answered already, but I just ran into the same issue trying to specify the schema to use for the liquibase command line.
Update
As of JDBC v9.4 you can specify the url with the new currentSchema parameter like so:
jdbc:postgresql://localhost:5432/mydatabase?currentS...
Scroll Automatically to the Bottom of the Page
...uestions. When I click on the first question, it should automatically take me to the bottom of the page.
23 Answers
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What is the fastest way to send 100,000 HTTP requests in Python?
...using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to write this program correctly. Has anyone come across a similar problem? I guess generally I need to know how...